4 Inch Square Bracketed Box 1-1/2 Inch Deep Welded With Conduit Knockouts 52151-SWB (pack of 75)

About:

This indicates the size and shape of the electrical box. It’s a square box measuring 4 inches on each side.
This specifies the depth of the box, indicating it is 1 and 1/2 inches deep.
A knockout is a partially stamped opening in the wall of an electrical enclosure (in this case, the box) that can be removed to allow the installation of conduit or cable.

Also Known As:

4″ Square Electrical Box, Electrical Junction Box, 4 Inch Square Steel Box, 4-Inch Square Electrical Enclosure, Square Junction Box, Junction Box Welded, 4 Inch Square Bracketed Junction Box.

Specification:

Type: Square Bracketed Junction Box
Material: Galvanized Steel
Product Height: 1.5 Inch
Product Width: 4.69 Inch
UPC: 785592400680

Features:

Combination knockouts allow for greater wiring flexibility
Combination Phillips/Slotted screw heads.
Brackets: WB – Vertical Wood Spike